Portable lamp



FIG. 1 is a perspective view of a portable lamp showing my new design.

FIG. 2 is a front view of the portable lamp according to FIG. 1.

FIG. 3 is a rear view of the portable lamp according to FIG. 1.

FIG. 4 is a right side view of the portable lamp according to FIG. 1.

FIG. 5 is a left side view of the portable lamp according to FIG. 1.

FIG. 6 is a top view of the portable lamp according to FIG. 1; and,

FIG. 7 is a bottom view of the portable lamp according to FIG. 1.

In the above drawings the broken lines and the areas within the broken lines form no part of the claimed design. 

The ornamental design for a portable lamp, as shown and described. 